Feed Utility • Client-Side Sandbox
Post preview
Check your image composition and caption truncation together in real viewport scale before publishing.
Source Media
1080 × 1350 pxNo image loadedJPG, PNG or WebP • max 25 MB
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Aspect Ratio Framing
Scale BehaviorAvoid unwanted post black-letterboxing
Creator Profile Simulation
Caption & Copy Staging
- 0 / 2,200 chars
- 0 / 30 hashtags
- 0 line breaks preserved
- folds at 125 chars
Preview Theme Rig
Simulate viewer device modeExports a client-ready mockup locally. No data leaves your browser.
Feed Viewer Rig • 430 × 932 pt viewportNative 4:5 Scale
PostsFeed Canvas
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Drop a photograph into the staging slot to preview fit, crop, and caption balance.
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View all comments2 hours agoProduction NoticeIllustrative preview — Instagram dynamically truncates copy after approximately 125 characters or 2 lines depending on viewport width and OS font scaling factors.
3-Step Staging Verification
Stage Media & Ratio
Verify image framing against 4:5 portrait feeds to ensure key focal assets are never clipped when displayed on high-density mobile screens.
Calibrate Caption Fold
Position your primary hook before the crucial ‘… more’ truncate barrier. Preserve paragraph spacing without brittle manual hack characters.
Export Client Proof
Generate clean, branded PNG presentation mockups for client approvals or team review decks without taking messy screen recordings.
Frequently Asked Questions
No. Instafeed Kit is a 100% private, client-side visual staging sandbox. It does not connect to Meta Graph APIs and cannot publish posts automatically. You keep full ownership and manual publishing control.